SP 16 compact clock
I finished the SP 16 compact clock and it runs but I cannot get it to keep time. I am almost sure the friction clutch is slipping. I have a Timetrax clock timer and I have the pendulum adjusted for 4800 BPH per Steve's notes. The timekeeping is erratic.. sometimes it will stay on the the correct time for several hours then the next time I look it will be a few to several minutes slow. I had originally used 1/16" music wire for the clutch and thinking it was too small I bought 1.6mm music wire and tried that but the clock still has erratic timekeeping (always slow). I am thinking about re printing gear four (which is the clutch) or maybe using larger diameter music wire in gear 4. Has anyone had the same problem? or have any suggestions?
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If you’re still having a problem, I spent a week with the hands seeming to run at half speed (nominal).
I discovered I had pressed the hour hand too tight against the front frame. It was slipping due to friction.
Thst solved that
Also, the holes in the hands expanded from multiples reassembles. The were loose enough to slip. I inserted threads of PLA alongside the shaft to increase compression.
Mt block was keeping time. The hands weren’t keeping up.
If I could, I would add a bearing to the main arbor on the hour hand gear. (Not snart enough).